Heliochronometer (version 2) - World's Most Accurate Sundial

Personal use only ♥ 139 likes ↓ 401 downloads Household

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PLA from £6 inc. UK delivery on letter-sized prints. We slice, print on a calibrated Creality K2 / Bambu A1, QC and post.

Upgraded version of the original heliochronometer design with improved reading accuracy to < 1 min!